How to make a .zip file into a .ipsw ((on windows))
Okay so after you download the update from felixbruns.com many people get it as a zip file. we need to make it into a .ipsw to jailbreak the device how do we do this? easy.
Step 1: Got to control panel and look for folder options
Step 2: In folder options go to the view tab. Scroll down and look for "hide extensions from known files" uncheck it click apply
Step 3: Go to the zip file you downloaded and click rename. DONT OPEN THE ZIP FILE JUST CLICK RENAME
Step 4: Change '.zip' to '.ipsw' click enter and when the "are you sure you want to change this file' box pops out click yes
Step 5: voila you have an ipsw file to use to jail break your device